Definition of ex post facto in English:

ex post facto

Line breaks: ex post facto
Pronunciation: /ˌɛks pəʊst ˈfaktəʊ
 
/

adjective & adverb

With retrospective action or force: [as adjective]: ex post facto laws

Origin

erroneous division of Latin ex postfacto 'in the light of subsequent events'.

Definition of ex post facto in:

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Pronunciation: ˈbranɪg(ə)n
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a brawl or violent argument